Support for ancient notation includes features for mensural
notation, Gregorian chant notation, and Kievan square notation.
These features can be accessed either by modifying style
properties of graphical objects such as note heads and rests,
or by using one of the pre-defined contexts for these styles.

Many graphical objects, such as note heads and flags, accidentals,
time signatures, and rests, provide a style property, which
can be changed to emulate several different styles of ancient
notation. See